Hamilton Keith A 1942 The practice of diplomacy : its evolution, theory and administration / Keith Hamilton and Richard Langhorne. - London ; New York : Routledge, 2003. - vii, 279 p. ; 25 cm. Includes bibliographical references (p. 246-267) and index. ISBN: 0415104742 0415104750 Subjects--Topical Terms: Diplomacy LC Class. No.: JX1635